Oh, dude, making a factor tree for 7 is like, super easy. You just start with 7 at the top, and then realize that 7 is a Prime number, so it only has 1 and 7 as factors. So, your factor tree is basically just a stick with 7 at the top. Voilà!
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Well, honey, making a factor tree for 7 is like trying to find a needle in a haystack. Since 7 is a prime number, it only has 1 and 7 as factors. So, your factor tree for 7 would be as simple as a single branch with 7 at the end. Easy peasy, lemon squeezy!
To create a factor tree for the number 7, you start by writing 7 at the top of the tree. Since 7 is a prime number, it only has two factors: 1 and 7. Write these two factors below 7 on the branches of the tree. Since both 1 and 7 are prime numbers and cannot be factored further, the factor tree for 7 is simply 7 with 1 and 7 as its factors.
You cannot really make a factor tree for 7 because it is already a prime number.
3x7=21 3 and 7 are prime numbers, so 3x7 is the factor tree of the number 21.
15,3 3,5,3
27 3,9 3,3,3
9x9=81. Proving that one of the factor trees for 81 is 9xp.
728 13 x 56 13 x (7x8) 13 x (7 x (2x4)) 13 x (7 x (2 x (2x2))) Since 2, 7, and 13 are prime numbers, the factor tree is complete.